What is the primary function of a dosimeter?

The primary function of a dosimeter is to measure an individual's exposure to ionizing radiation. Dosimeters are critical in fields such as nuclear energy, medical imaging, and radiation therapy, as they help track the cumulative dose of radiation a person has received over time. This is essential for ensuring that exposure stays within safe limits established by safety regulations, thereby minimizing health risks associated with radiation.

Each type of dosimeter has its method of operation, including passive devices like film badges that provide readings over time and active devices that can give real-time radiation levels. This focus on personal exposure measurements is vital for maintaining health and safety protocols in environments where radiation is present.